Fig. 3 | Scientific Reports

Fig. 3

From: Seasonal dynamics of plasma estradiol 17β level, gonadosomatic index, and ovarian development in female golden trevally (Gnathanodon speciosus)

Fig. 3

Histological sections of golden trevally (G. speciosus) ovaries in the annual reproductive cycle showing the presence of oocyte developmental stages. Lu, ovarian lumen; po, primary oocytes; so, secondary oocytes; vo, vitellogenic oocytes; pof, post-ovulated follicle; oo, ovulated oocytes; yg, yolk globules; gv, germinal vesicle; St II, St III, St IV, St V represent ovarian development stages II, III, IV and V respectively. A is representative section of ovaries collected during Nov-Feb. B-F are representative sections of ovaries collected during Mar-Oct. Scale bars: 100 μm.

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